In another study, psilocybin significantly decreased depression and anxiety in patients with life-threatening cancer. After six months, 80% of the patients were still less clinically depressed than before the treatment. Some participants said they lost their fear of death.

In 2011, Griffiths gave three grams of psilocybin to a group of terminal cancer patients, in an attempt to provide them with relief from fear-of-death anxiety (which is understandably hard to alleviate). Afterward, he administered a battery of psychological tests, including a standard fear-of-dying metric, the Death Transcendence Scale, at one- and

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Matt Johnson believes that psychedelics can be used to change all sorts of behaviors, not just addiction. The key, in his view, is their power to occasion a sufficiently dramatic experience to “dope-slap people out of their story. It’s literally a reboot of the system—a biological control-alt-delete. Psychedelics open a window of mental flexibility

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